Shock and Vibration / 2016 / Article / Fig 13

Research Article

Sparse Signal Representations of Bearing Fault Signals for Exhibiting Bearing Fault Features

Figure 13

The signals obtained by the optimal complex Morlet filtering: (a) the real part of the signal filtered by the optimal Morlet wavelet transform; (b) the power spectrum of the envelope of the filtered signal.
(a)
(b)